Greybull, Wyoming has good industrial washing services potential, with the railroad, agriculture, natural gas, bentonite mines and lots of water in the river even during this drought year. http://www.greybull.com/. One of the big businesses there is stucco manufacturing which is also made from bentonite. It is all loaded on a train and shipped to NV, CA, AZ, NM and parts of TX. Ever wonder where it came from? We do everytime we wash a house on the in the Southwestern US. http://www.homewashguys.com.
The City with there big industry employes about 29,000 people total who commute a short distance from all over the basin area, meaning there is money flow for employees to get their cars washed by WashGuys.